<template>
    <div>
        <!-- 面包屑导航 -->
            <el-breadcrumb separator-class="el-icon-arrow-right">
                <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
                <el-breadcrumb-item>商品管理</el-breadcrumb-item>
                <el-breadcrumb-item>商品列表</el-breadcrumb-item>
            </el-breadcrumb>

        <!-- 卡片区域 -->   
        <el-card>
            <el-col :span="8">
                <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                    <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                </el-input>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="goAddPage">添加商品</el-button>
            </el-col>
            <el-table :data="goodslist" border stripe>
                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="95px"></el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="140px">
                    <template slot-scope="scope">
                        {{scope.row.add_time | dateFomat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="130px">
                    <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-setting" size="mini"></el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
                    </template>
                </el-table-column>
            </el-table>

            <!-- 分页组件 -->
            <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="this.queryInfo.pagenum"
            :page-sizes="[1, 5, 10, 20]"
            :page-size="this.queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="this.total" background>
            </el-pagination>
        </el-card> 
    </div>
</template>

<script>
export default {
    data() {
        return {
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 10
            },
            goodslist: [{
                // goods_name: '',
                // goods_price: 0,
                // goods_weight: 0,
                // add_time: 0
            }],
            total: 0
        }
    },
    created() {
        this.getGoodsList()
    },
    methods: {
        async getGoodsList() {
            const {data: res} = await this.$http.get('goods', {params: this.queryInfo})
            if(res.meta.status !== 200) {
                this.$message.error('获取商品列表失败')
            }
            this.goodslist = res.data.goods
            this.total = res.data.total
        },
        handleSizeChange(newSize) {
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage) {
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        async removeById(id) {
            const Result = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
        if(Result !== 'confirm') {
            return this.$message.info('取消删除')
        }
       const {data: res} = await this.$http.delete(`goods/${id}`)
       if(res.meta.status !== 200) {
           return this.$message.error('删除失败')
       }
       this.$message.success('删除成功')
       this.getGoodsList()
        },
        goAddPage() {
            this.$router.push('/goods/add')
        }
    }
}
</script>

<style lang="less" scoped>

</style>